21-3p/p-7+7=4/p

Simple and best practice solution for 21-3p/p-7+7=4/p equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 21-3p/p-7+7=4/p equation: 


D( p )

p = 0

p = 0

p = 0

p in (-oo:0) U (0:+oo)

7-((3*p)/p)-7+21 = 4/p // - 4/p

7-(4/p)-((3*p)/p)-7+21 = 0

7-4*p^-1-7-3+21 = 0

-4*p^-1 = -18 // : -4

p^-1 = 9/2

-1 < 0

1/(p^1) = 9/2 // * p^1

1 = 9/2*p^1 // : 9/2

2/9 = p^1

p = 2/9

p = 2/9

See similar equations:

| 3y=12x-36 | | 5=5x-2x+5 | | 5x^3-35x+54=0 | | 22x-2=21x+4 | | 12x+14+9x-2=180 | | 4+2x+7x=76 | | v^2+12x+20=0 | | 2(x+1)=x-6 | | -10x-6y=30 | | -5(3+3x)=45 | | -12n^2+81n+21=0 | | -3(6+4x)=-114 | | -25-a=20+2a | | x^2+35x-342=0 | | -48=-2x-5x+1 | | 19x-5=8+3 | | 5(2x-9)=-135 | | -6(3+6x)=-306 | | 19+5x=9-8 | | 2x-7=6x+13 | | x+4-3x=0 | | -5+x=2x-5 | | -10=-5 | | 4x+3=-2x+9 | | 27+.10x=63 | | 8n^2+6=14 | | -3+5i/4+2i | | 9-3y=21 | | -31-4x=7(-2n+2) | | x=3i | | x^4-4x^3+29x^2-36x=180 | | 4(3+x)=2x+8 |

Equations solver categories